Enhance the performance of your BL110-A pen with the Pentel® EnerGel® X Refill 1.0 mm in Black. This high-quality refill provides a smooth writing experience, thanks to its 1.0 mm tip size and rich black ink. It's perfect for everyday writing tasks, note-taking, and more. Keep your pen going strong with this convenient refill option.

Key Features:
• 1.0 mm tip size for bold and precise writing
• Black ink for professional and legible results
• Compatible with BL110-A pen models
• Refillable design for cost-saving and eco-friendly use
• Smooth and fast-drying ink for smudge-free writing
• Ideal for daily writing tasks, note-taking, and more